Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 6, 2008
Patent Application Number
11374072
Date Filed
March 14, 2006
Patent Primary Examiner
Patent abstract
A semiconductor laser device comprises: an active layer; a cladding layer of a first conductivity type; an insulating film; a first electrode; and a pad electrode provided on the first electrode. The cladding layer is provided above the active layer, and has a ridge portion constituting a striped waveguide and non-ridge portions adjacent to both sides of the ridge portion. The insulating film is covering side faces of the ridge portion and an upper face of the non-ridge portions. The first electrode has a gap portion provided above the non-ridge portions. The pad electrode is provided on the first electrode.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
